Home / 19,065.30-28,566.74-18,336.30

Finding the Fourth Proportional to 19,065.30, 28,566.74 and 18,336.30

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Solution

The fourth proportional to 19,065.30, 28,566.74 and 18,336.30 is: 27,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.30 : 28,566.74 = 18,336.30 : x
  2. Step 2: Convert to fraction form
    19,065.30/28,566.74 = 18,336.30/x
  3. Step 3: Cross multiply
    19,065.30x = 28,566.74 × 18,336.30
  4. Step 4: Simplify right side
    19,065.30x = 523,808,314.66
  5. Step 5: Solve for x
    x = 523,808,314.66/19,065.30
  6. Step 6: Final answer
    x = 27,474.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.